Granted Patent
Utility
US 4,663,439 · App. 06/674,640
Process for the preparation of ceric alkoxides
Inventors:
Peter S. Gradeff, Fred G. Schreiber
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Nov 26, 1984
Inventors
Peter S. Gradeff
Fred G. Schreiber
Assignee (at issue)
Rhone-Poulenc, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.